Changes

Electrical resistance is a measure of how much a metal impedes the flow of electrons.

Electrical resistance is a measure of how much a metal impedes the flow of electrons.<ref>http://www.answers.com/topic/electrical-resistance-1</ref>

The symbol used to represent electrical resistance is R, it's SI unit is the Ohm (Ω).

The symbol used to represent electrical resistance is R, it's SI unit is the Ohm (Ω).

== R = U/I ==

== R = U/I ==

<ref>Wile, Dr. Jay L. ''Exploring Creation With Physical Science''. Apologia Educational Ministries, Inc. 1999, 2000</ref>

<ref>Wile, Dr. Jay L. ''Exploring Creation With Physical Science''. Apologia Educational Ministries, Inc. 1999, 2000</ref>

==References==

==References==

<references/>

<references/>

[[category:electronics]]

[[category:electronics]]